Tetrahedron: meaning, definitions and examples

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tetrahedron

 

[ หˆtษ›trษ™หŒhษ›nษ™d ]

Noun
Context #1 | Noun

geometric shape

A tetrahedron is a three-dimensional geometric shape that consists of four triangular faces, six straight edges, and four vertex corners. It is one of the simplest forms of polyhedra and represents a type of pyramid with a triangular base. In mathematics and geometry, tetrahedrons can be studied for their properties, including volume and surface area. The regular tetrahedron is particularly notable because all its faces are equilateral triangles, making it a keystone shape in various areas of science and engineering.

Synonyms

4-faced polyhedron, pyramid, triangular pyramid

Examples of usage

  • The tetrahedron is used in crystal structures.
  • A model of a tetrahedron can be made from straws.
  • In chemistry, a tetrahedral molecular geometry is present in methane.
  • Artists often use tetrahedrons in sculpture design.

Translations

Translations of the word "tetrahedron" in other languages:

๐Ÿ‡ต๐Ÿ‡น tetraedro

๐Ÿ‡ฎ๐Ÿ‡ณ เคšเคคเฅเคฐเฅเคญเฅเคœ

๐Ÿ‡ฉ๐Ÿ‡ช Tetraeder

๐Ÿ‡ฎ๐Ÿ‡ฉ tetrahedron

๐Ÿ‡บ๐Ÿ‡ฆ ั‚ะตั‚ั€ะฐะตะดั€

๐Ÿ‡ต๐Ÿ‡ฑ tetraedr

๐Ÿ‡ฏ๐Ÿ‡ต ๅ››้ขไฝ“

๐Ÿ‡ซ๐Ÿ‡ท tรฉtraรจdre

๐Ÿ‡ช๐Ÿ‡ธ tetraedro

๐Ÿ‡น๐Ÿ‡ท tetrahedron

๐Ÿ‡ฐ๐Ÿ‡ท ์‚ฌ๋ฉด์ฒด

๐Ÿ‡ธ๐Ÿ‡ฆ ู…ูƒุนุจ ุฑุจุงุนูŠ

๐Ÿ‡จ๐Ÿ‡ฟ tetrahedron

๐Ÿ‡ธ๐Ÿ‡ฐ tetrahedron

๐Ÿ‡จ๐Ÿ‡ณ ๅ››้ขไฝ“

๐Ÿ‡ธ๐Ÿ‡ฎ tetraeder

๐Ÿ‡ฎ๐Ÿ‡ธ tetrahedron

๐Ÿ‡ฐ๐Ÿ‡ฟ ั‚ะตั‚ั€ะฐัะดั€

๐Ÿ‡ฌ๐Ÿ‡ช แƒขแƒ”แƒขแƒ แƒแƒฐแƒ”แƒ“แƒ แƒแƒœแƒ˜

๐Ÿ‡ฆ๐Ÿ‡ฟ tetrahedron

๐Ÿ‡ฒ๐Ÿ‡ฝ tetraedro

Etymology

The word 'tetrahedron' comes from the Greek words 'tetra', meaning 'four', and 'hedron', which refers to a face or a seat. Its origin can be traced back to ancient geometric studies where shapes were categorized based on the number of their sides and faces. The Greek mathematician Euclid included the tetrahedron in his work 'Elements', where he outlined the properties of solids. The concept of the tetrahedron has been used in various fields since ancient times, including in architecture, art, and later, in modern chemistry and molecular biology. The study of polyhedra, including the tetrahedron, was further developed during the Renaissance, influencing artists and architects who incorporated geometric principles into their works.

Word Frequency Rank

At rank #25,346, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.